solid state maser

例句：

1. 1. The solid-state laser is used for cutting metals and glass.
   固态激光器用于切割金属和玻璃。
2. 2.The solid-state laser has a high power density and can be easily focused.
   固态激光器具有高功率密度，并且易于聚焦。
3. 3. The solid-state laser is widely used in industrial applications due to its durability and reliability.
   由于其耐用性和可靠性，固态激光器在工业应用中得到了广泛应用。